cor3ntin updated this revision to Diff 359676.
cor3ntin added a comment.
Fix cxx_status
Repository:
rG LLVM Github Monorepo
CHANGES SINCE LAST ACTION
https://reviews.llvm.org/D106252/new/
https://reviews.llvm.org/D106252
Files:
clang/include/clang/Basic/DiagnosticParseKinds.td
clang/lib/Parse/ParseExprCXX.cpp
clang/test/Parser/cxx2a-concepts-requires-expr.cpp
clang/www/cxx_status.html
Index: clang/www/cxx_status.html
===================================================================
--- clang/www/cxx_status.html
+++ clang/www/cxx_status.html
@@ -934,7 +934,7 @@
</tr>
<tr> <!-- from Belfast -->
<td><a href="https://wg21.link/p1972r0";>P1972R0</a></td>
- <td rowspan="5" class="none" align="center">No</td>
+ <td rowspan="3" class="none" align="center">No</td>
</tr>
<tr>
<td><a href="https://wg21.link/p1980r0";>P1980R0</a></td>
@@ -944,9 +944,11 @@
</tr>
<tr>
<td><a href="https://wg21.link/p2092r0";>P2092R0</a></td>
+ <td rowspan="1" class="unreleased" align="center">Clang 13</td>
</tr>
<tr>
<td><a href="https://wg21.link/p2113r0";>P2113R0</a></td>
+ <td rowspan="1" class="none" align="center">No</td>
</tr>
<!-- Albuquerque papers -->
<tr>
Index: clang/test/Parser/cxx2a-concepts-requires-expr.cpp
===================================================================
--- clang/test/Parser/cxx2a-concepts-requires-expr.cpp
+++ clang/test/Parser/cxx2a-concepts-requires-expr.cpp
@@ -134,13 +134,21 @@
// expected-error@-1 {{expected ';' at end of requirement}}
bool r38 = requires { requires { 1; }; };
-// expected-warning@-1 {{this requires expression will only be checked for
syntactic validity; did you intend to place it in a nested requirement? (add
another 'requires' before the expression)}}
+// expected-error@-1 {{requires expression in requierement body; did you
intend to place it in a nested requirement? (add another 'requires' before the
expression)}}
bool r39 = requires { requires () { 1; }; };
-// expected-warning@-1 {{this requires expression will only be checked for
syntactic validity; did you intend to place it in a nested requirement? (add
another 'requires' before the expression)}}
+// expected-error@-1 {{requires expression in requierement body; did you
intend to place it in a nested requirement? (add another 'requires' before the
expression)}}
bool r40 = requires { requires (int i) { i; }; };
-// expected-warning@-1 {{this requires expression will only be checked for
syntactic validity; did you intend to place it in a nested requirement? (add
another 'requires' before the expression)}}
+// expected-error@-1 {{requires expression in requierement body; did you
intend to place it in a nested requirement? (add another 'requires' before the
expression)}}
bool r41 = requires { requires (); };
// expected-error@-1 {{expected expression}}
+
+template <typename T>
+struct S {
+ using type = T;
+};
+bool r42 = requires (typename S<int>::type i) { requires requires (typename
S<int>::type i) { requires true; };};
+
+bool r43 = requires (S<int>::type i) { requires requires (S<int>::type i) {
requires true; }; };
Index: clang/lib/Parse/ParseExprCXX.cpp
===================================================================
--- clang/lib/Parse/ParseExprCXX.cpp
+++ clang/lib/Parse/ParseExprCXX.cpp
@@ -3602,7 +3602,7 @@
break;
}
if (!Expression.isInvalid() && PossibleRequiresExprInSimpleRequirement)
- Diag(StartLoc, diag::warn_requires_expr_in_simple_requirement)
+ Diag(StartLoc, diag::err_requires_expr_in_simple_requirement)
<< FixItHint::CreateInsertion(StartLoc, "requires");
if (auto *Req = Actions.ActOnSimpleRequirement(Expression.get()))
Requirements.push_back(Req);
Index: clang/include/clang/Basic/DiagnosticParseKinds.td
===================================================================
--- clang/include/clang/Basic/DiagnosticParseKinds.td
+++ clang/include/clang/Basic/DiagnosticParseKinds.td
@@ -806,10 +806,10 @@
def err_requires_expr_simple_requirement_noexcept : Error<
"'noexcept' can only be used in a compound requirement (with '{' '}' around "
"the expression)">;
-def warn_requires_expr_in_simple_requirement : Warning<
- "this requires expression will only be checked for syntactic validity; did "
+def err_requires_expr_in_simple_requirement : Error<
+ "requires expression in requierement body; did "
"you intend to place it in a nested requirement? (add another 'requires' "
- "before the expression)">, InGroup<DiagGroup<"requires-expression">>;
+ "before the expression)">;
def err_missing_dependent_template_keyword : Error<
"use 'template' keyword to treat '%0' as a dependent template name">;
Index: clang/www/cxx_status.html
===================================================================
--- clang/www/cxx_status.html
+++ clang/www/cxx_status.html
@@ -934,7 +934,7 @@
</tr>
<tr> <!-- from Belfast -->
<td><a href="https://wg21.link/p1972r0";>P1972R0</a></td>
- <td rowspan="5" class="none" align="center">No</td>
+ <td rowspan="3" class="none" align="center">No</td>
</tr>
<tr>
<td><a href="https://wg21.link/p1980r0";>P1980R0</a></td>
@@ -944,9 +944,11 @@
</tr>
<tr>
<td><a href="https://wg21.link/p2092r0";>P2092R0</a></td>
+ <td rowspan="1" class="unreleased" align="center">Clang 13</td>
</tr>
<tr>
<td><a href="https://wg21.link/p2113r0";>P2113R0</a></td>
+ <td rowspan="1" class="none" align="center">No</td>
</tr>
<!-- Albuquerque papers -->
<tr>
Index: clang/test/Parser/cxx2a-concepts-requires-expr.cpp
===================================================================
--- clang/test/Parser/cxx2a-concepts-requires-expr.cpp
+++ clang/test/Parser/cxx2a-concepts-requires-expr.cpp
@@ -134,13 +134,21 @@
// expected-error@-1 {{expected ';' at end of requirement}}
bool r38 = requires { requires { 1; }; };
-// expected-warning@-1 {{this requires expression will only be checked for syntactic validity; did you intend to place it in a nested requirement? (add another 'requires' before the expression)}}
+// expected-error@-1 {{requires expression in requierement body; did you intend to place it in a nested requirement? (add another 'requires' before the expression)}}
bool r39 = requires { requires () { 1; }; };
-// expected-warning@-1 {{this requires expression will only be checked for syntactic validity; did you intend to place it in a nested requirement? (add another 'requires' before the expression)}}
+// expected-error@-1 {{requires expression in requierement body; did you intend to place it in a nested requirement? (add another 'requires' before the expression)}}
bool r40 = requires { requires (int i) { i; }; };
-// expected-warning@-1 {{this requires expression will only be checked for syntactic validity; did you intend to place it in a nested requirement? (add another 'requires' before the expression)}}
+// expected-error@-1 {{requires expression in requierement body; did you intend to place it in a nested requirement? (add another 'requires' before the expression)}}
bool r41 = requires { requires (); };
// expected-error@-1 {{expected expression}}
+
+template <typename T>
+struct S {
+ using type = T;
+};
+bool r42 = requires (typename S<int>::type i) { requires requires (typename S<int>::type i) { requires true; };};
+
+bool r43 = requires (S<int>::type i) { requires requires (S<int>::type i) { requires true; }; };
Index: clang/lib/Parse/ParseExprCXX.cpp
===================================================================
--- clang/lib/Parse/ParseExprCXX.cpp
+++ clang/lib/Parse/ParseExprCXX.cpp
@@ -3602,7 +3602,7 @@
break;
}
if (!Expression.isInvalid() && PossibleRequiresExprInSimpleRequirement)
- Diag(StartLoc, diag::warn_requires_expr_in_simple_requirement)
+ Diag(StartLoc, diag::err_requires_expr_in_simple_requirement)
<< FixItHint::CreateInsertion(StartLoc, "requires");
if (auto *Req = Actions.ActOnSimpleRequirement(Expression.get()))
Requirements.push_back(Req);
Index: clang/include/clang/Basic/DiagnosticParseKinds.td
===================================================================
--- clang/include/clang/Basic/DiagnosticParseKinds.td
+++ clang/include/clang/Basic/DiagnosticParseKinds.td
@@ -806,10 +806,10 @@
def err_requires_expr_simple_requirement_noexcept : Error<
"'noexcept' can only be used in a compound requirement (with '{' '}' around "
"the expression)">;
-def warn_requires_expr_in_simple_requirement : Warning<
- "this requires expression will only be checked for syntactic validity; did "
+def err_requires_expr_in_simple_requirement : Error<
+ "requires expression in requierement body; did "
"you intend to place it in a nested requirement? (add another 'requires' "
- "before the expression)">, InGroup<DiagGroup<"requires-expression">>;
+ "before the expression)">;
def err_missing_dependent_template_keyword : Error<
"use 'template' keyword to treat '%0' as a dependent template name">;
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